in-line cord switch for musical instruments,audios,medical equipment, Walkie talkie,Car DVD,GPS ... produce encoder , potentiometer and switch. timer switch12 mm switch for musical instruments, audios,medical equipment, Walkie talkie,DVD,GPS navigation ... and DVD players, and other electronic equipment and household appliances.High quality, long rotary life For VOLKSWAGEN,TOYOTA,HONDA SONY,TCL.etcPassed ...